Cytotoxicity Induced by Tetracyclines via Protein Photooxidation

Table 1

Molecular structures of the investigated compounds shown in Scheme 1.

Compound	Prefix	R1	R2	R3	R4
Oxytetracycline	Oxy	H	OH	OH	OH
Doxycycline	Doxy	H	CH3	H	OH
Tetracycline	Tetra	H	CH3	OH	H
Demeclocycline	Demeclo	Cl	H	OH	H
Chlortetracycline	Chloro	Cl	CH3	OH	H
Meclocycline	Meclo	Cl	=CH2	—	OH
Minocycline	Mino	N(CH3)2	H	H	H